234 Model Type 30 Ingersoll Rand compatible Major Overhaul Kit – 234-A. Major overhaul kits (MOKs) includes aluminum connecting rods, Crankpin bushings, main bearings, gasket kit, piston ring set, intake and discharge valves, oil seal, and air filter element to rebuild one 10T Type 30, Ingersoll Rand Air Compressor. This major overhaul kit is assembled with all the parts to completely overhaul your Ingersoll Rand compressor pump. It includes the level II, level III, level IV step saver kits so you do not have to buy each separately. This kit includes 321273374, 32127342, 32127359PAC: MOK 234A IR. This is not a Ingersoll Rand parts but it is compatible and fits to IR Air Compressors. This is a Private-label parts.